1 /************************************************************
2 * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
4 * Permission to use, copy, modify, and distribute this
5 * software and its documentation for any purpose and without
6 * fee is hereby granted, provided that the above copyright
7 * notice appear in all copies and that both that copyright
8 * notice and this permission notice appear in supporting
9 * documentation, and that the name of Silicon Graphics not be
10 * used in advertising or publicity pertaining to distribution
11 * of the software without specific prior written permission.
12 * Silicon Graphics makes no representation about the suitability
13 * of this software for any purpose. It is provided "as is"
14 * without any express or implied warranty.
16 * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
18 * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
19 * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
20 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
22 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
23 * THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 ********************************************************/
27 #include "xkbcomp-priv.h"
33 enum merge_mode merge;
40 enum merge_mode merge;
49 xkb_keycode_t min_key_code;
50 xkb_keycode_t max_key_code;
51 darray(xkb_atom_t) key_names;
52 darray(LedNameInfo) led_names;
53 darray(AliasInfo) aliases;
55 struct xkb_context *ctx;
58 /***====================================================================***/
61 InitAliasInfo(AliasInfo *info, enum merge_mode merge,
62 xkb_atom_t alias, xkb_atom_t real)
64 memset(info, 0, sizeof(*info));
71 FindLedByName(KeyNamesInfo *info, xkb_atom_t name,
72 xkb_led_index_t *idx_out)
77 darray_enumerate(idx, ledi, info->led_names) {
78 if (ledi->name == name) {
88 AddLedName(KeyNamesInfo *info, enum merge_mode merge, bool same_file,
89 LedNameInfo *new, xkb_led_index_t new_idx)
91 xkb_led_index_t old_idx;
93 const int verbosity = xkb_context_get_log_verbosity(info->ctx);
94 const bool report = (same_file && verbosity > 0) || verbosity > 9;
95 const bool replace = (merge == MERGE_REPLACE || merge == MERGE_OVERRIDE);
97 /* LED with the same name already exists. */
98 old = FindLedByName(info, new->name, &old_idx);
100 if (old_idx == new_idx) {
102 "Multiple indicators named \"%s\"; "
103 "Identical definitions ignored\n",
104 xkb_atom_text(info->ctx, new->name));
109 xkb_led_index_t use = (replace ? new_idx + 1 : old_idx + 1);
110 xkb_led_index_t ignore = (replace ? old_idx + 1 : new_idx + 1);
112 "Multiple indicators named %s; Using %d, ignoring %d\n",
113 xkb_atom_text(info->ctx, new->name), use, ignore);
122 if (new_idx >= darray_size(info->led_names))
123 darray_resize0(info->led_names, new_idx + 1);
125 /* LED with the same index already exists. */
126 old = &darray_item(info->led_names, new_idx);
127 if (old->name != XKB_ATOM_NONE) {
129 const xkb_atom_t use = (replace ? new->name : old->name);
130 const xkb_atom_t ignore = (replace ? old->name : new->name);
131 log_warn(info->ctx, "Multiple names for indicator %d; "
132 "Using %s, ignoring %s\n", new_idx + 1,
133 xkb_atom_text(info->ctx, use),
134 xkb_atom_text(info->ctx, ignore));
143 darray_item(info->led_names, new_idx) = *new;
148 ClearKeyNamesInfo(KeyNamesInfo *info)
151 darray_free(info->key_names);
152 darray_free(info->aliases);
153 darray_free(info->led_names);
157 InitKeyNamesInfo(KeyNamesInfo *info, struct xkb_context *ctx)
159 memset(info, 0, sizeof(*info));
161 info->min_key_code = XKB_KEYCODE_INVALID;
162 #if XKB_KEYCODE_INVALID < XKB_KEYCODE_MAX
163 #error "Hey, you can't be changing stuff like that."
168 FindKeyByName(KeyNamesInfo *info, xkb_atom_t name)
172 for (i = info->min_key_code; i <= info->max_key_code; i++)
173 if (darray_item(info->key_names, i) == name)
176 return XKB_KEYCODE_INVALID;
180 AddKeyName(KeyNamesInfo *info, xkb_keycode_t kc, xkb_atom_t name,
181 enum merge_mode merge, bool same_file, bool report)
184 xkb_keycode_t old_kc;
185 const int verbosity = xkb_context_get_log_verbosity(info->ctx);
187 report = report && ((same_file && verbosity > 0) || verbosity > 7);
189 if (kc >= darray_size(info->key_names))
190 darray_resize0(info->key_names, kc + 1);
192 info->min_key_code = MIN(info->min_key_code, kc);
193 info->max_key_code = MAX(info->max_key_code, kc);
195 /* There's already a key with this keycode. */
196 old_name = darray_item(info->key_names, kc);
197 if (old_name != XKB_ATOM_NONE) {
198 const char *lname = KeyNameText(info->ctx, old_name);
199 const char *kname = KeyNameText(info->ctx, name);
201 if (old_name == name) {
204 "Multiple identical key name definitions; "
205 "Later occurrences of \"%s = %d\" ignored\n",
209 else if (merge == MERGE_AUGMENT) {
212 "Multiple names for keycode %d; "
213 "Using %s, ignoring %s\n", kc, lname, kname);
219 "Multiple names for keycode %d; "
220 "Using %s, ignoring %s\n", kc, kname, lname);
221 darray_item(info->key_names, kc) = XKB_ATOM_NONE;
225 /* There's already a key with this name. */
226 old_kc = FindKeyByName(info, name);
227 if (old_kc != XKB_KEYCODE_INVALID && old_kc != kc) {
228 const char *kname = KeyNameText(info->ctx, name);
230 if (merge == MERGE_OVERRIDE) {
231 darray_item(info->key_names, old_kc) = XKB_ATOM_NONE;
234 "Key name %s assigned to multiple keys; "
235 "Using %d, ignoring %d\n", kname, kc, old_kc);
239 log_vrb(info->ctx, 3,
240 "Key name %s assigned to multiple keys; "
241 "Using %d, ignoring %d\n", kname, old_kc, kc);
246 darray_item(info->key_names, kc) = name;
250 /***====================================================================***/
253 HandleAliasDef(KeyNamesInfo *info, KeyAliasDef *def, enum merge_mode merge);
256 MergeIncludedKeycodes(KeyNamesInfo *into, KeyNamesInfo *from,
257 enum merge_mode merge)
259 if (from->errorCount > 0) {
260 into->errorCount += from->errorCount;
264 if (into->name == NULL) {
265 into->name = from->name;
269 /* Merge key names. */
270 if (darray_empty(into->key_names)) {
271 into->key_names = from->key_names;
272 darray_init(from->key_names);
273 into->min_key_code = from->min_key_code;
274 into->max_key_code = from->max_key_code;
277 if (darray_size(into->key_names) < darray_size(from->key_names))
278 darray_resize0(into->key_names, darray_size(from->key_names));
280 for (unsigned i = from->min_key_code; i <= from->max_key_code; i++) {
281 xkb_atom_t name = darray_item(from->key_names, i);
282 if (name == XKB_ATOM_NONE)
285 if (!AddKeyName(into, i, name, merge, true, false))
290 /* Merge key aliases. */
291 if (darray_empty(into->aliases)) {
292 into->aliases = from->aliases;
293 darray_init(from->aliases);
298 darray_foreach(alias, from->aliases) {
301 def.merge = (merge == MERGE_DEFAULT ? alias->merge : merge);
302 def.alias = alias->alias;
303 def.real = alias->real;
305 if (!HandleAliasDef(into, &def, def.merge))
310 /* Merge LED names. */
311 if (darray_empty(into->led_names)) {
312 into->led_names = from->led_names;
313 darray_init(from->led_names);
319 darray_enumerate(idx, ledi, from->led_names) {
320 if (ledi->name == XKB_ATOM_NONE)
323 ledi->merge = (merge == MERGE_DEFAULT ? ledi->merge : merge);
324 if (!AddLedName(into, ledi->merge, false, ledi, idx))
331 HandleKeycodesFile(KeyNamesInfo *info, XkbFile *file, enum merge_mode merge);
334 HandleIncludeKeycodes(KeyNamesInfo *info, IncludeStmt *include)
336 KeyNamesInfo included;
338 InitKeyNamesInfo(&included, info->ctx);
339 included.name = include->stmt;
340 include->stmt = NULL;
342 for (IncludeStmt *stmt = include; stmt; stmt = stmt->next_incl) {
343 KeyNamesInfo next_incl;
346 file = ProcessIncludeFile(info->ctx, stmt, FILE_TYPE_KEYCODES);
348 info->errorCount += 10;
349 ClearKeyNamesInfo(&included);
353 InitKeyNamesInfo(&next_incl, info->ctx);
355 HandleKeycodesFile(&next_incl, file, MERGE_OVERRIDE);
357 MergeIncludedKeycodes(&included, &next_incl, stmt->merge);
359 ClearKeyNamesInfo(&next_incl);
363 MergeIncludedKeycodes(info, &included, include->merge);
364 ClearKeyNamesInfo(&included);
366 return (info->errorCount == 0);
370 HandleKeycodeDef(KeyNamesInfo *info, KeycodeDef *stmt, enum merge_mode merge)
372 if (stmt->merge != MERGE_DEFAULT) {
373 if (stmt->merge == MERGE_REPLACE)
374 merge = MERGE_OVERRIDE;
379 if (stmt->value < 0 || stmt->value > XKB_KEYCODE_MAX) {
381 "Illegal keycode %lld: must be between 0..%u; "
382 "Key ignored\n", (long long) stmt->value, XKB_KEYCODE_MAX);
386 return AddKeyName(info, stmt->value, stmt->name, merge, false, true);
390 HandleAliasDef(KeyNamesInfo *info, KeyAliasDef *def, enum merge_mode merge)
394 darray_foreach(old, info->aliases) {
395 if (old->alias == def->alias) {
396 if (def->real == old->real) {
397 log_vrb(info->ctx, 1,
398 "Alias of %s for %s declared more than once; "
399 "First definition ignored\n",
400 KeyNameText(info->ctx, def->alias),
401 KeyNameText(info->ctx, def->real));
404 xkb_atom_t use, ignore;
406 use = (merge == MERGE_AUGMENT ? old->real : def->real);
407 ignore = (merge == MERGE_AUGMENT ? def->real : old->real);
410 "Multiple definitions for alias %s; "
411 "Using %s, ignoring %s\n",
412 KeyNameText(info->ctx, old->alias),
413 KeyNameText(info->ctx, use),
414 KeyNameText(info->ctx, ignore));
424 InitAliasInfo(&new, merge, def->alias, def->real);
425 darray_append(info->aliases, new);
430 HandleKeyNameVar(KeyNamesInfo *info, VarDef *stmt)
432 const char *elem, *field;
435 if (!ExprResolveLhs(info->ctx, stmt->name, &elem, &field, &arrayNdx))
439 log_err(info->ctx, "Unknown element %s encountered; "
440 "Default for field %s ignored\n", elem, field);
444 if (!istreq(field, "minimum") && !istreq(field, "maximum")) {
445 log_err(info->ctx, "Unknown field encountered; "
446 "Assignment to field %s ignored\n", field);
450 /* We ignore explicit min/max statements, we always use computed. */
455 HandleLedNameDef(KeyNamesInfo *info, LedNameDef *def,
456 enum merge_mode merge)
461 if (def->ndx < 1 || def->ndx > XKB_MAX_LEDS) {
464 "Illegal indicator index (%d) specified; must be between 1 .. %d; "
465 "Ignored\n", def->ndx, XKB_MAX_LEDS);
469 if (!ExprResolveString(info->ctx, def->name, &name)) {
471 snprintf(buf, sizeof(buf), "%d", def->ndx);
473 return ReportBadType(info->ctx, "indicator", "name", buf, "string");
478 return AddLedName(info, merge, true, &ledi, def->ndx - 1);
482 HandleKeycodesFile(KeyNamesInfo *info, XkbFile *file, enum merge_mode merge)
487 info->name = strdup_safe(file->name);
489 for (ParseCommon *stmt = file->defs; stmt; stmt = stmt->next) {
490 switch (stmt->type) {
492 ok = HandleIncludeKeycodes(info, (IncludeStmt *) stmt);
495 ok = HandleKeycodeDef(info, (KeycodeDef *) stmt, merge);
498 ok = HandleAliasDef(info, (KeyAliasDef *) stmt, merge);
501 ok = HandleKeyNameVar(info, (VarDef *) stmt);
504 ok = HandleLedNameDef(info, (LedNameDef *) stmt, merge);
508 "Keycode files may define key and indicator names only; "
509 "Ignoring %s\n", stmt_type_to_string(stmt->type));
517 if (info->errorCount > 10) {
518 log_err(info->ctx, "Abandoning keycodes file \"%s\"\n",
525 /***====================================================================***/
528 CopyKeyNamesToKeymap(struct xkb_keymap *keymap, KeyNamesInfo *info)
536 keymap->keycodes_section_name = strdup_safe(info->name);
537 XkbEscapeMapName(keymap->keycodes_section_name);
539 if (info->min_key_code != XKB_KEYCODE_INVALID) {
540 keymap->min_key_code = info->min_key_code;
541 keymap->max_key_code = info->max_key_code;
545 * If the keymap has no keys, let's just use the safest pair
548 keymap->min_key_code = 8;
549 keymap->max_key_code = 255;
552 keymap->keys = calloc(keymap->max_key_code + 1, sizeof(*keymap->keys));
553 for (kc = keymap->min_key_code; kc <= keymap->max_key_code; kc++)
554 keymap->keys[kc].keycode = kc;
556 /* Copy key names. */
557 for (kc = info->min_key_code; kc <= info->max_key_code; kc++)
558 keymap->keys[kc].name = darray_item(info->key_names, kc);
561 * Do some sanity checking on the aliases. We can't do it before
562 * because keys and their aliases may be added out-of-order.
564 keymap->num_key_aliases = 0;
565 darray_foreach(alias, info->aliases) {
566 /* Check that ->real is a key. */
567 if (!XkbKeyByName(keymap, alias->real, false)) {
568 log_vrb(info->ctx, 5,
569 "Attempt to alias %s to non-existent key %s; Ignored\n",
570 KeyNameText(info->ctx, alias->alias),
571 KeyNameText(info->ctx, alias->real));
572 alias->real = XKB_ATOM_NONE;
576 /* Check that ->alias is not a key. */
577 if (XkbKeyByName(keymap, alias->alias, false)) {
578 log_vrb(info->ctx, 5,
579 "Attempt to create alias with the name of a real key; "
580 "Alias \"%s = %s\" ignored\n",
581 KeyNameText(info->ctx, alias->alias),
582 KeyNameText(info->ctx, alias->real));
583 alias->real = XKB_ATOM_NONE;
587 keymap->num_key_aliases++;
590 /* Copy key aliases. */
591 keymap->key_aliases = calloc(keymap->num_key_aliases,
592 sizeof(*keymap->key_aliases));
594 darray_foreach(alias, info->aliases) {
595 if (alias->real != XKB_ATOM_NONE) {
596 keymap->key_aliases[i].alias = alias->alias;
597 keymap->key_aliases[i].real = alias->real;
602 /* Copy LED names. */
603 darray_resize0(keymap->leds, darray_size(info->led_names));
604 darray_enumerate(idx, ledi, info->led_names)
605 if (ledi->name != XKB_ATOM_NONE)
606 darray_item(keymap->leds, idx).name = ledi->name;
611 /***====================================================================***/
614 CompileKeycodes(XkbFile *file, struct xkb_keymap *keymap,
615 enum merge_mode merge)
619 InitKeyNamesInfo(&info, keymap->ctx);
621 HandleKeycodesFile(&info, file, merge);
622 if (info.errorCount != 0)
625 if (!CopyKeyNamesToKeymap(keymap, &info))
628 ClearKeyNamesInfo(&info);
632 ClearKeyNamesInfo(&info);